/* ============================================================
   «Красный фрегат» — сайт-визитка
   Единый файл стилей: базовые + тема (градиенты, тени, анимации)
   ============================================================ */

:root {
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Палитра */
  --color-white: #ffffff;
  --color-bg: #f7f8fc;
  --color-text: #0f172a;
  --color-text-muted: #64748b;
  --color-border: #cbd5e1;

  /* Градиенты и акценты */
  --grad-main: linear-gradient(135deg, #3b82f6, #8b5cf6);
  --grad-accent: linear-gradient(135deg, #3b82f6, #8b5cf6, #ec4899);
  --color-blue: #3b82f6;
  --color-violet: #8b5cf6;
  --color-pink: #ec4899;

  /* Тени */
  --shadow-card: 0 8px 30px -8px rgba(59, 130, 246, 0.15);
  --shadow-card-hover: 0 24px 50px -12px rgba(99, 102, 241, 0.28);

  /* Типографика */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-4xl: 2.75rem;
  --text-5xl: 3.5rem;

  /* Отступы */
  --section-padding: 6rem 1.5rem;
  --container-max: 1140px;

  /* Радиусы */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;

  /* Переходы */
  --transition-fast: 0.2s ease;
  --transition-base: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul {
  list-style: none;
}

/* ---------- Утилиты ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: var(--section-padding);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Анимации появления ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity var(--transition-slow),
    transform var(--transition-slow);
  will-change: opacity, transform;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Каскадные задержки для карточек */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity var(--transition-slow),
    transform var(--transition-slow);
}

.reveal-stagger.is-visible > *:nth-child(1) { transition-delay: 0s; }
.reveal-stagger.is-visible > *:nth-child(2) { transition-delay: 0.12s; }
.reveal-stagger.is-visible > *:nth-child(3) { transition-delay: 0.24s; }
.reveal-stagger.is-visible > *:nth-child(4) { transition-delay: 0.36s; }

.reveal-stagger.is-visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Доступность: reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal,
  .reveal-stagger > * {
    opacity: 1;
    transform: none;
  }
}

/* ---------- Шапка ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border-bottom: 1px solid rgba(203, 213, 225, 0.9);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.header__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
}

.header__logo {
  height: 58px;
  width: auto;
  transition: transform var(--transition-base);
}

.header__brand:hover .header__logo {
  transform: scale(1.05) rotate(-2deg);
}

.header__brand-name {
  font-size: var(--text-lg);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 2.25rem;
}

.header__link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  position: relative;
  transition: color var(--transition-fast);
}

.header__link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -5px;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: var(--grad-main);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.header__link:hover {
  color: var(--color-text);
}

.header__link:hover::after {
  transform: scaleX(1);
}

.header__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.header__burger span {
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: var(--color-text);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.header__burger.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.header__burger.is-active span:nth-child(2) { opacity: 0; }
.header__burger.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 8rem 0 7rem;
  overflow: hidden;
}

/* Анимированные градиентные пятна */
.hero__blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
  pointer-events: none;
  will-change: transform;
}

.hero__blob--1 {
  width: 480px;
  height: 480px;
  top: -160px;
  right: -80px;
  background: radial-gradient(circle, #93c5fd, transparent 70%);
  animation: float-1 14s ease-in-out infinite;
}

.hero__blob--2 {
  width: 420px;
  height: 420px;
  bottom: -20px;
  left: -100px;
  background: radial-gradient(circle, #c4b5fd 0%, rgba(196, 181, 253, 0.45) 35%, transparent 72%);
  animation: float-2 18s ease-in-out infinite;
}

.hero__blob--3 {
  width: 320px;
  height: 320px;
  top: 30%;
  left: 45%;
  background: radial-gradient(circle, #fbcfe8, transparent 70%);
  animation: float-3 16s ease-in-out infinite;
}

@keyframes float-1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-60px, 50px) scale(1.1); }
}

@keyframes float-2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(70px, -40px) scale(1.15); }
}

@keyframes float-3 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-40px, -60px) scale(0.9); }
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 820px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.1rem;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-violet);
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.25);
  border-radius: 100px;
  margin-bottom: 1.75rem;
  animation: badge-pulse 3s ease-in-out infinite;
}

@keyframes badge-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(139, 92, 246, 0.25); }
  50% { box-shadow: 0 0 0 8px rgba(139, 92, 246, 0); }
}

.hero__title {
  font-size: var(--text-5xl);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.035em;
  margin-bottom: 1.75rem;
}

.hero__title-gradient {
  background: var(--grad-accent);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  animation: gradient-shift 6s ease infinite;
}

@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.hero__subtitle {
  font-size: var(--text-xl);
  line-height: 1.65;
  color: var(--color-text-muted);
  margin-bottom: 3rem;
  max-width: 620px;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1.05rem 2.4rem;
  font-size: var(--text-sm);
  font-weight: 700;
  border-radius: 100px;
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    background var(--transition-fast),
    border-color var(--transition-fast);
}

.btn--primary {
  background: var(--grad-main);
  color: #fff;
  box-shadow: 0 12px 28px -8px rgba(99, 102, 241, 0.5);
}

.btn--primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 18px 36px -8px rgba(99, 102, 241, 0.6);
}

.btn--primary:active {
  transform: translateY(-1px) scale(1);
}

.btn--ghost {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.7);
  border: 1.5px solid var(--color-border);
  backdrop-filter: blur(8px);
}

.btn--ghost:hover {
  border-color: var(--color-violet);
  color: var(--color-violet);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

/* ---------- Секции ---------- */
.section__header {
  margin-bottom: 3.5rem;
}

.section__title {
  font-size: var(--text-3xl);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 0.75rem;
}

.section__title-accent {
  position: relative;
  display: inline-block;
}

.section__title-accent::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 2px;
  width: 100%;
  height: 10px;
  z-index: -1;
  background: linear-gradient(90deg, rgba(59, 130, 246, 0.25), rgba(139, 92, 246, 0.25));
  border-radius: 4px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1) 0.2s;
}

.section__header.is-visible .section__title-accent::after,
.section__title-accent.is-visible::after {
  transform: scaleX(1);
}

.section__subtitle {
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  max-width: 560px;
}

/* ---------- Направления ---------- */
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.service-card {
  position: relative;
  padding: 2.5rem 2rem;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(203, 213, 225, 0.95);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--grad-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card-hover);
  border-color: transparent;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  color: #fff;
  transition: transform var(--transition-base);
}

.service-card:hover .service-card__icon {
  transform: translateY(-4px) rotate(-6deg) scale(1.05);
}

.service-card__icon--blue { background: linear-gradient(135deg, #3b82f6, #60a5fa); box-shadow: 0 8px 20px -6px rgba(59, 130, 246, 0.5); }
.service-card__icon--violet { background: linear-gradient(135deg, #8b5cf6, #a78bfa); box-shadow: 0 8px 20px -6px rgba(139, 92, 246, 0.5); }
.service-card__icon--pink { background: linear-gradient(135deg, #ec4899, #f472b6); box-shadow: 0 8px 20px -6px rgba(236, 72, 153, 0.5); }

.service-card__title {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.service-card__desc {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.7;
}

.service-card__stack {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px dashed var(--color-border);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1.6;
}

.service-card__stack-label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-violet);
  margin-bottom: 0.35rem;
}

/* ---------- Заказчики ---------- */
.clients {
  position: relative;
  background: linear-gradient(
    180deg,
    var(--color-bg) 0%,
    #f3f5ff 14%,
    #eef2ff 50%,
    #f3f5ff 86%,
    var(--color-bg) 100%
  );
  overflow: hidden;
}

.clients__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.client-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  padding: 3rem 2rem;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(203, 213, 225, 0.95);
  border-radius: var(--radius-lg);
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

.client-card:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: var(--shadow-card-hover);
}

.client-card__logo {
  height: 52px;
  width: auto;
  max-width: 230px;
  object-fit: contain;
  transition: transform var(--transition-base);
}

/* У iDSystems есть светлая версия логотипа — тёмная подложка сохраняет фирменный вид. */
.client-card__logo--idsystems {
  width: 230px;
  height: 58px;
  max-width: 100%;
  padding: 0.65rem 1rem;
  background: #263238;
  border-radius: var(--radius-sm);
}

/* Логотипы QRM и РЕД СОФТ — версии для тёмного фона (белый текст невидим
   на белой карточке, из-за чего логотип визуально «уезжал» влево).
   Тёмная подложка показывает логотип целиком и центрирует его. */
.client-card__logo--dark {
  height: 58px;
  width: auto;
  max-width: 100%;
  padding: 0.65rem 1rem;
  background: #263238;
  border-radius: var(--radius-sm);
}

.client-card:hover .client-card__logo {
  transform: scale(1.06);
}

.client-card__desc {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  text-align: center;
}

.client-card__link {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--grad-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: gap var(--transition-fast);
}

.client-card:hover .client-card__link {
  gap: 0.8rem;
}

/* ---------- Стоимость работ ---------- */
.pricing__card {
  max-width: 720px;
  padding: 2.75rem 2.5rem;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(203, 213, 225, 0.95);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.pricing__rate {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.pricing__price {
  font-size: var(--text-4xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  background: var(--grad-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.pricing__per {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text-muted);
}

.pricing__text {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  line-height: 1.7;
}

.pricing__text + .pricing__text {
  margin-top: 0.75rem;
}

.pricing__text--accent {
  color: var(--color-text);
  font-weight: 600;
}

/* ---------- Контакты ---------- */
.contacts__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.contact-item {
  position: relative;
  padding: 2rem;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(203, 213, 225, 0.95);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

.contact-item::after {
  content: '';
  position: absolute;
  width: 120px;
  height: 120px;
  right: -50px;
  bottom: -50px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.12), transparent 70%);
  transition: transform var(--transition-slow);
}

.contact-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
}

.contact-item:hover::after {
  transform: scale(1.6);
}

.contact-item__label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-violet);
  margin-bottom: 0.75rem;
}

.contact-item__value {
  font-size: var(--text-lg);
  font-weight: 600;
  line-height: 1.5;
  word-break: break-word;
}

a.contact-item__value {
  text-decoration: underline;
  text-decoration-color: rgba(139, 92, 246, 0.5);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
  transition: text-decoration-color var(--transition-base);
}

a.contact-item__value:hover {
  text-decoration-color: currentColor;
}

.contact-item__value--block {
  display: block;
  width: fit-content;
}

.contact-item__value--block + .contact-item__value--block {
  margin-top: 0.35rem;
}

/* ---------- Реквизиты ---------- */
.requisites {
  background: linear-gradient(
    180deg,
    var(--color-bg) 0%,
    #f3f5ff 18%,
    #eef2ff 58%,
    rgba(238, 242, 255, 0.35) 88%,
    rgba(255, 255, 255, 0.6) 100%
  );
}

.requisites__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.requisites__item {
  position: relative;
  padding: 1.75rem 2rem;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(203, 213, 225, 0.95);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

.requisites__item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.requisites__term {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-violet);
  margin-bottom: 0.5rem;
}

.requisites__desc {
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1.5;
}

.requisites__desc a {
  text-decoration: underline;
  text-decoration-color: rgba(139, 92, 246, 0.5);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
  transition: text-decoration-color var(--transition-base);
}

.requisites__desc a:hover {
  text-decoration-color: currentColor;
}

.requisites__item--wide {
  grid-column: 1 / -1;
}

.requisites__link {
  text-transform: none;
  letter-spacing: normal;
  color: inherit;
  text-decoration: underline;
  text-decoration-color: rgba(139, 92, 246, 0.5);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
  transition: text-decoration-color var(--transition-base);
}

.requisites__link:hover {
  text-decoration-color: currentColor;
}

/* ---------- Подвал ---------- */
.footer {
  padding: 3rem 0;
  border-top: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.6);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.footer__logo {
  height: 52px;
  width: auto;
}

.footer__brand-name {
  font-size: var(--text-base);
  font-weight: 800;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.footer__text {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

/* ---------- Модальное окно ---------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.modal.is-open {
  opacity: 1;
  visibility: visible;
}

.modal__dialog {
  width: 100%;
  max-width: 460px;
  background: #fff;
  border-radius: 28px;
  padding: 2.75rem 2.5rem;
  position: relative;
  box-shadow: 0 32px 80px -16px rgba(15, 23, 42, 0.35);
  transform: scale(0.92) translateY(24px);
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.modal.is-open .modal__dialog {
  transform: scale(1) translateY(0);
}

.modal__dialog::before {
  content: '';
  position: absolute;
  top: 0;
  left: 2.5rem;
  right: 2.5rem;
  height: 4px;
  border-radius: 0 0 4px 4px;
  background: var(--grad-accent);
}

.modal__close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--color-text-muted);
  background: #f1f5f9;
  transition:
    background var(--transition-fast),
    color var(--transition-fast),
    transform var(--transition-fast);
}

.modal__close:hover {
  background: #e2e8f0;
  color: var(--color-text);
  transform: rotate(90deg);
}

.modal__title {
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.modal__subtitle {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin-bottom: 2rem;
}

.modal__actions {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 1.75rem;
}

.modal__btn {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1.05rem 1.4rem;
  font-size: var(--text-sm);
  font-weight: 700;
  border-radius: 100px;
  border: 1.5px solid var(--color-border);
  color: var(--color-text);
  background: #fff;
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    border-color var(--transition-fast);
}

.modal__btn svg {
  flex-shrink: 0;
}

.modal__btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
  border-color: var(--color-violet);
}

.modal__btn--primary {
  background: var(--grad-main);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 10px 24px -8px rgba(99, 102, 241, 0.5);
}

.modal__btn--primary:hover {
  border-color: transparent;
  box-shadow: 0 16px 32px -8px rgba(99, 102, 241, 0.6);
}

.modal__address {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-align: center;
  line-height: 1.6;
}

/* ---------- Адаптив ---------- */
@media (max-width: 900px) {
  .services__grid,
  .contacts__grid,
  .requisites__grid {
    grid-template-columns: 1fr;
  }

  .clients__grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 5.5rem 0 5rem;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 4rem 1.25rem;
    --text-4xl: 2rem;
    --text-5xl: 2.5rem;
  }

  .header__burger {
    display: flex;
  }

  .header__brand {
    gap: 0.6rem;
  }

  .header__logo {
    height: 46px;
  }

  .header__brand-name {
    font-size: var(--text-sm);
  }

  .header__nav {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-border);
    padding: 0.5rem 1.5rem 1.25rem;
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition:
      transform var(--transition-base),
      opacity var(--transition-base),
      visibility var(--transition-base);
  }

  .header__nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .header__link {
    display: block;
    width: 100%;
    padding: 0.85rem 0;
    font-size: var(--text-base);
  }

  .header__link::after {
    display: none;
  }

  .modal__dialog {
    padding: 2.5rem 1.75rem;
  }

  .hero__blob {
    opacity: 0.35;
  }
}